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5 Written questions

5 Matching questions

  1. ventricular myocardium contraction (as a unit)
  2. the tricuspid and mitral valves close when the blood pressure within the ventricles exceeds blood pressure within the atria
  3. pericardial space
  4. limits movement of the heart within the mediastinum
  5. serous pericardium
  1. a what is the name of the potential space
  2. b what is the function of the pericardial sac
  3. c what causes papillary muscle to contract
  4. d the perietal and visceral pericardia are known as
  5. e briefly describe the mechanism of av valve closure

5 Multiple choice questions

  1. fibrous tissue ring that forms the base of each heart valve
  2. most of the anterior heart surface is composed of which heart chamber
  3. list the 3 aortic arch vessels
  4. when the atria contract which valves are open
  5. when the ventricles contract which valves are closed

5 True/False questions

  1. left ventricleContraction of the inter-ventricular septum facilitates ejection of blood from which heart chamber


  2. from the superior,inferior vena cavas, and coronary sinus into the right atrium, through the tricuspid and into the right ventricle, through the pulmonary valve, into the pumonary trunk, into the pulmonary arteries and into the lungs. oxygenated blood from the lungs passes through the pulmonary veins into the left atrium, through the mitral valve and into the left ventricle, through the aortic valve and into the ascending aortabriefly describe the tricuspid valve


  3. trabeculae carneawhat is the region supplied by the left subclavian


  4. composed of two cusps/leaflets, allows passive blood flow from left atrium to left ventricle, and prevents retrograde blood flow into the left atrium4 chambers of the heart


  5. valve cusps/leaflets coapt normally because the papillary muscles are "pulling" on the chordae tendonae attached to the free border of the valve cusps/leafletswhat happens to the valves when the papillary muscles contract